Jagged sickle.
Wrong. Coffee table with four triangle feet, another triangle sit
Good. Diving whale with a triangle hat.
Wrong. The correct shape could also be described as a thick arch with a bowl on top.
Wrong. Deselect the choice you made when I said diving whale with a triangle hat.
Deselect the choice you made when I said thick arch with a bowl on top.
Can you find jagged lighting striking a small box?
Okay. Find a curve made out of triangles.

Outcome: successful
Speaker comments: Didn't deselect wrong answers automatically after they were confirmed wrong.